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UefiPayloadPkg: Handle simple reserved ranges from DT

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DT has a way to provide reserved images in a simpler tabular
manner. UPL should be able to support that.

Signed-off-by: Dhaval Sharma <dhaval@rivosinc.com>
This commit is contained in:
Dhaval 2024-08-13 20:14:40 +05:30 committed by mergify[bot]
parent 043045cd6e
commit 1f32b5a30e
1 changed files with 13 additions and 0 deletions
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13
UefiPayloadPkg/Library/FdtParserLib/FdtParserLib.c
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@ -816,6 +816,9 @@ ParseDtb (
UINT8 NodeType; UINT8 NodeType;
EFI_BOOT_MODE BootMode; EFI_BOOT_MODE BootMode;
CHAR8 *GmaStr; CHAR8 *GmaStr;
INTN NumRsv;
EFI_PHYSICAL_ADDRESS Addr;
UINT64 Size;
UINT16 SegmentNumber; UINT16 SegmentNumber;
UINT64 CurrentPciBaseAddress; UINT64 CurrentPciBaseAddress;
UINT64 NextPciBaseAddress; UINT64 NextPciBaseAddress;
@ -886,6 +889,16 @@ ParseDtb (
} }
} }
NumRsv = FdtNumRsv (Fdt);
/* Look for an existing entry and add it to the efi mem map. */
for (index = 0; index < NumRsv; index++) {
if (FdtGetMemRsv (Fdt, index, &Addr, &Size) != 0) {
continue;
}
BuildMemoryAllocationHob (Addr, Size, EfiReservedMemoryType);
}
index = RootBridgeCount - 1; index = RootBridgeCount - 1;
Depth = 0; Depth = 0;
for (Node = FdtNextNode (Fdt, 0, &Depth); Node >= 0; Node = FdtNextNode (Fdt, Node, &Depth)) { for (Node = FdtNextNode (Fdt, 0, &Depth); Node >= 0; Node = FdtNextNode (Fdt, Node, &Depth)) {